Treating insomnia in youth depression: a randomized controlled trial of cbt for depression vs. cbt for insomnia
Sleep(2021)
摘要
Abstract Introduction Insomnia is often comorbid with depression in youths and both may reciprocally exacerbate clinical outcomes and lead to a constellation of detrimental consequences. The present study aimed to test the efficacy of cognitive behavioral therapy (CBT) for insomnia (CBT-I) and CBT for depression (CBT-D), when compared with waitlist control, in youths with comorbid insomnia and depression. Methods 112 participants aged 12–24 years old (67.9% female) with insomnia and depression according to DSM-5 diagnostic criteria were randomised to one of the following conditions: 8-week group CBT-I (n=33), 8-week group CBT-D (n=39), or waiting-list control (n=40). Insomnia (Insomnia Severity Index, ISI) and depressive symptoms (Hamilton Rating Scale for Depression, HAMD) were assessed at baseline and post-intervention. The two active treatment groups were additionally followed up at post-treatment one-month. Results Linear mixed model showed that both treatment groups (CBT-D: Cohen’s d = -0.44, p<.001; CBT-I: Cohen’s d =-0.56, p<.001) had significantly lower ISI scores at post-intervention follow-up, as compared to the waitlist group. There was a significant difference in clinically meaningful improvement in insomnia (a reduction of ISI score ≥ 6 from baseline to post-intervention follow-up) between the groups (CBT-I: 73.1%; CBT-D: 40.0%; WL: 28.6%; p=.002). Moreover, there was a significant difference in remission of depression (HAMD≤7) at post-intervention follow-up (CBT-D: 75.9%; CBT-I: 81.5%; WL: 22.9%) (p <.001). Both CBT-D and CBT-I resulted in comparable improvements in insomnia and depressive symptoms at one-month follow-up (p>.05). Conclusion Preliminary evidence from this study supports the efficacy of CBT-I for improving both sleep and mood in youths with comorbid insomnia and depression. Support (if any) This work was supported by Early Career Scheme, Research Grants Council, Hong Kong SAR (Ref. 27613017).
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关键词
insomnia,youth depression,cbt,randomized controlled trial
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